Molecular weight of crude petroleum may be around________________?

Related Mcqs:

1. Percentage of straight run gasoline in a typical crude oil may be around________________?

   A. 6 B. 18 C. 38 D. 52...

2. Carbon percentage (by weight) in crude petroleum may be about_________________?

   A. 65 B. 75 C. 85 D. 95...

3. Hydrogen percentage (by weight) in crude petroleum may be about __________________?

   A. 5 B. 15 C. 25 D. 35...

4. Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?

   A. 600-750 B. 250-350 C. 1000-1500 D. 2000-2500...

5. Paraffin base crude oil as compared to asphalt base crude gives___________________?

   A. Higher yield of straight run gasoline B. Higher octane number gasoline C. Lower viscosity index lube oil D. Poorer yield of lube oil...

6. Sour crude means the ________________ bearing crude?

   A. Asphalt B. Sulphur compounds C. Wax D. Nitrogen compounds...

7. During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?

   A. Decreases B. Increases C. Remains unchanged D. Decreases linearly...

8. _____________ base crude oil is also called asphaltic crude?

   A. Paraffinic B. Naphthenic C. Mixed D. Aromatic...

9. Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?

   A. 1 B. 5 C. 15 D. 25...

10. Molecular weight of petrol may be about ____________________?

    A. 40-60 B. 100-130 C. 250-300 D. 350-400...